ruinous
adj. 破坏性的，毁灭性的；导致破产的，耗资巨大的；<正式>破败不堪的，损毁严重的
例句
It is magnified to a ruinous degree.
它被放大到毁灭性的程度。
The decision was to prove ruinous.
后来证明这个决定造成了极大的危害。
《牛津词典》
The buildings were in a ruinous state.
这些建筑破烂不堪。
